回複：回複：回複：求教8老師，L1A簽證在美居留，每年有最低時間要求嗎？

那我在美國的payroll 和insurance 不受影響吧 -It is irrelevant. As long as your employer pay you and you pay the premium to the insurance company, you will be fine.
如果居住不到180天 我來年的稅怎麽報呢。-Your income is got in China even if you work for a US employer and thus,  technically you do not need to pay the income tax to US Government (IRS), but pay it to the Chinese Government because you are not a green card holder or US citizen yet.